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Financial Instruments (Derivatives Not Designated As Hedges) (Details) - USD ($) $ in Millions | 3 Months Ended
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Oct. 27, 2024 | Oct. 29, 2023
Derivative Instruments, Gain (Loss) [Line Items] |  |
Amount of (Gain) or Loss Recognized in Earnings on Derivatives | $ (7) | $ 15
Foreign Exchange Contract [Member] | Cost Of Products Sold [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Amount of (Gain) or Loss Recognized in Earnings on Derivatives | 0 | (1)
Commodity Derivative Contracts [Member] | Cost Of Products Sold [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Amount of (Gain) or Loss Recognized in Earnings on Derivatives | (4) | 12
Equity Contracts [Member] | General and Administrative Expense [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Amount of (Gain) or Loss Recognized in Earnings on Derivatives | $ (3) | $ 4

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4E + Details
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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 50 -Paragraph 4CC -SubTopic 10 -Topic 815 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4CC + Details
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